Huawei Iris hellas sun2000 series User manual

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual

Issue 05

Date 2020-08-30

HUAWEI TECHNOLOGIES CO., LTD.

No part of this document may be reproduced or transmitted in any form or by any means without prior

written consent of Huawei Technologies Co., Ltd.

Trademarks and Permissions

and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.

All other trademarks and trade names mentioned in this document are the property of their respective

holders.

Notice

The purchased products, services and features are stipulated by the contract made between Huawei and

the customer. All or part of the products, services and features described in this document may not be

within the purchase scope or the usage scope. Unless otherwise specied in the contract, all statements,

information, and recommendations in this document are provided "AS IS" without warranties, guarantees

or representations of any kind, either express or implied.

The information in this document is subject to change without notice. Every eort has been made in the

preparation of this document to ensure accuracy of the contents, but all statements, information, and

recommendations in this document do not constitute a warranty of any kind, express or implied.

Huawei Technologies Co., Ltd.

Address: Huawei Industrial Base

Bantian, Longgang

Shenzhen 518129

People's Republic of China

Website: https://e.huawei.com

About This Document

Overview

This document describes the SUN2000-175KTL-H0, SUN2000-185KTL-INH0, and

SUN2000-185KTL-H1 (SUN2000 for short) in terms of their installation, electrical

connections, commissioning, maintenance, and troubleshooting. Before installing

and operating the inverter, ensure that you are familiar with the features,

functions, and safety precautions provided in this document.

Intended Audience

This document is intended for photovoltaic (PV) plant operating personnel and

qualied electricians.

Symbol Conventions

The symbols that may be found in this document are dened as follows.

Symbol Description

Indicates a hazard with a high level of risk which,

if not avoided, will result in death or serious

injury.

Indicates a hazard with a medium level of risk

which, if not avoided, could result in death or

serious injury.

Indicates a hazard with a low level of risk which,

if not avoided, could result in minor or moderate

injury.

Indicates a potentially hazardous situation which,

if not avoided, could result in equipment damage,

data loss, performance deterioration, or

unanticipated results.

NOTICE is used to address practices not related to

personal injury.

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual About This Document

Symbol Description

Supplements the important information in the

main text.

NOTE is used to address information not related

to personal injury, equipment damage, and

environment deterioration.

Change History

Changes between document issues are cumulative. The latest document issue

contains all updates made in previous issues.

Issue 05 (2020-08-30)

Updated 2.1 Product Overview.

Updated 4.3.1 Environment Requirements.

Updated 4.5 Installing the Inverter.

Updated 6.2 System Power-On.

Updated 7.1 Operations with the App.

Updated 8.3 Routine Maintenance.

Issue 04 (2020-03-03)

Updated 1 Safety Information.

Updated 2.3.1 Label Description.

Updated 5.8 Installing the Communications Cable.

Updated 7.1 Operations with the App.

Updated 10 Technical Data.

Added A Securing Y-Branch Connectors.

Added C Domain Name List of Management Systems.

Issue 03 (2019-09-10)

Updated 5.7 Installing the DC Input Power Cable.

Updated 8.5 Troubleshooting.

Added B String Access Detection.

Issue 02 (2019-06-05)

Updated 2.2 Appearance.

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual About This Document

Issue 01 (2019-05-15)

This issue is used for rst oce application (FOA).

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual About This Document

Contents

About This Document................................................................................................................ ii

1 Safety Information.................................................................................................................. 1

1.1 General Safety.......................................................................................................................................................................... 1

1.2 Personnel Requirements....................................................................................................................................................... 2

1.3 Electrical Safety........................................................................................................................................................................3

1.4 Installation Environment Requirements.......................................................................................................................... 4

1.5 Mechanical Safety................................................................................................................................................................... 4

1.6 Commissioning......................................................................................................................................................................... 5

1.7 Maintenance and Replacement..........................................................................................................................................6

2 Overview....................................................................................................................................7

2.1 Product Overview.................................................................................................................................................................... 7

2.2 Appearance................................................................................................................................................................................ 9

2.3 Label Description.................................................................................................................................................................. 12

2.3.1 Label Description............................................................................................................................................................... 12

2.3.2 Product Nameplate...........................................................................................................................................................14

2.4 Working Principles................................................................................................................................................................ 14

2.4.1 Circuit Diagram.................................................................................................................................................................. 14

2.4.2 Working Modes.................................................................................................................................................................. 15

3 Solar Inverter Storage.......................................................................................................... 17

4 Installation..............................................................................................................................19

4.1 Checking Before Installation............................................................................................................................................. 19

4.2 Preparing Tools...................................................................................................................................................................... 20

4.3 Determining the Installation Position............................................................................................................................21

4.3.1 Environment Requirements............................................................................................................................................21

4.3.2 Space Requirements......................................................................................................................................................... 23

4.4 Installing the Mounting Bracket...................................................................................................................................... 25

4.4.1 Support-mounted Installation.......................................................................................................................................26

4.4.2 Wall-mounted Installation............................................................................................................................................. 27

4.5 Installing the Inverter.......................................................................................................................................................... 28

5 Electrical Connections.......................................................................................................... 31

5.1 Precautions.............................................................................................................................................................................. 31

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual Contents

5.2 Crimping an OT or DT Terminal...................................................................................................................................... 31

5.3 Opening the Maintenance Compartment Door......................................................................................................... 34

5.4 (Optional) Replacing the Crimping Module................................................................................................................ 36

5.5 (Optional) Installing the Power Cable of the Tracking System............................................................................ 36

5.6 Connecting the AC Output Power Cable...................................................................................................................... 37

5.7 Installing the DC Input Power Cable.............................................................................................................................. 41

5.8 Installing the Communications Cable............................................................................................................................ 46

5.9 Closing the Maintenance Compartment Door........................................................................................................... 49

6 System Commissioning........................................................................................................ 51

6.1 Check Before Power-on ..................................................................................................................................................... 51

6.2 System Power-On................................................................................................................................................................. 51

7 Man-Machine Interactions.................................................................................................. 53

7.1 Operations with the App.................................................................................................................................................... 53

7.1.1 App Introduction................................................................................................................................................................ 53

7.1.2 Downloading and Installing the App..........................................................................................................................55

7.1.3 Logging In to the App...................................................................................................................................................... 55

7.1.4 Operations Related to the Advanced User............................................................................................................... 58

7.1.4.1 Setting Grid Parameters...............................................................................................................................................59

7.1.4.2 Setting Protection Parameters...................................................................................................................................59

7.1.4.3 Setting Feature Parameters........................................................................................................................................ 60

7.1.5 Operations Related to the Special User.....................................................................................................................64

7.1.5.1 Setting Grid Parameters...............................................................................................................................................64

7.1.5.2 Setting Protection Parameters...................................................................................................................................67

7.1.5.3 Setting Feature Parameters........................................................................................................................................ 68

7.1.5.4 Setting Power Adjustment Parameters...................................................................................................................72

7.2 Operations with a USB Flash Drive................................................................................................................................ 76

7.2.1 Exporting Congurations................................................................................................................................................ 76

7.2.2 Importing Congurations............................................................................................................................................... 78

7.2.3 Exporting Data................................................................................................................................................................... 79

7.2.4 Upgrading............................................................................................................................................................................ 80

8 Maintenance...........................................................................................................................82

8.1 System Power-O.................................................................................................................................................................82

8.2 Power-O for Troubleshooting........................................................................................................................................ 82

8.3 Routine Maintenance.......................................................................................................................................................... 84

8.4 Replacing a Fan..................................................................................................................................................................... 86

8.5 Troubleshooting..................................................................................................................................................................... 89

9 Handling the Inverter...........................................................................................................98

9.1 Removing the SUN2000..................................................................................................................................................... 98

9.2 Packing the SUN2000..........................................................................................................................................................98

9.3 Disposing of the SUN2000................................................................................................................................................ 98

10 Technical Data..................................................................................................................... 99

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual Contents

A Securing Y-Branch Connectors.........................................................................................103

B String Access Detection..................................................................................................... 106

C Domain Name List of Management Systems...............................................................109

D Grid Code.............................................................................................................................. 110

E Acronyms and Abbreviations............................................................................................114

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual Contents

1 Safety Information

1.1 General Safety

Statement

Before installing, operating, and maintaining the equipment, read this document

and observe all the safety instructions on the equipment and in this document.

The "NOTICE", "CAUTION", "WARNING", and "DANGER" statements in this

document do not cover all the safety instructions. They are only supplements to

the safety instructions. Huawei will not be liable for any consequence caused by

the violation of general safety requirements or design, production, and usage

safety standards.

Ensure that the equipment is used in environments that meet its design

specications. Otherwise, the equipment may become faulty, and the resulting

equipment malfunction, component damage, personal injuries, or property

damage are not covered under the warranty.

Follow local laws and regulations when installing, operating, or maintaining the

equipment. The safety instructions in this document are only supplements to local

laws and regulations.

Huawei will not be liable for any consequences of the following circumstances:

● Operation beyond the conditions specied in this document

● Installation or use in environments which are not specied in relevant

international or national standards

● Unauthorized modications to the product or software code or removal of the

product

● Failure to follow the operation instructions and safety precautions on the

product and in this document

● Equipment damage due to force majeure, such as earthquakes, re, and

storms

● Damage caused during transportation by the customer

● Storage conditions that do not meet the requirements specied in this

document

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual 1 Safety Information

General Requirements

D ANGER

Do not work with power on during installation.

● Do not install, use, or operate outdoor equipment and cables (including but

not limited to moving equipment, operating equipment and cables, inserting

connectors to or removing connectors from signal ports connected to outdoor

facilities, working at heights, and performing outdoor installation) in harsh

weather conditions such as lightning, rain, snow, and level 6 or stronger wind.

● After installing the equipment, remove idle packing materials such as cartons,

foam, plastics, and cable ties from the equipment area.

● In the case of a re, immediately leave the building or the equipment area,

and turn on the re alarm bell or make an emergency call. Do not enter the

building on re in any case.

● Do not scrawl, damage, or block any warning label on the equipment.

● Tighten the screws using tools when installing the equipment.

● Understand the components and functioning of a grid-tied PV power system

and relevant local standards.

● Repaint any paint scratches caused during equipment transportation or

installation in a timely manner. Equipment with scratches cannot be exposed

to an outdoor environment for a long period of time.

● Do not open the host panel of the equipment.

Personal Safety

● If there is a probability of personal injury or equipment damage during

operations on the equipment, immediately stop the operations, report the

case to the supervisor, and take feasible protective measures.

● Use tools correctly to avoid hurting people or damaging the equipment.

● Do not touch the energized equipment, as the enclosure is hot.

1.2 Personnel Requirements

● Personnel who plan to install or maintain Huawei equipment must receive

thorough training, understand all necessary safety precautions, and be able to

correctly perform all operations.

● Only qualied professionals or trained personnel are allowed to install,

operate, and maintain the equipment.

● Only qualied professionals are allowed to remove safety facilities and inspect

the equipment.

● Personnel who will operate the equipment, including operators, trained

personnel, and professionals, should possess the local national required

qualications in special operations such as high-voltage operations, working

at heights, and operations of special equipment.

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual 1 Safety Information

● Only professionals or authorized personnel are allowed to replace the

equipment or components (including software).

NO TE

● Professionals: personnel who are trained or experienced in equipment operations

and are clear of the sources and degree of various potential hazards in equipment

installation, operation, and maintenance

● Trained personnel: personnel who are technically trained, have required experience,

are aware of possible hazards on themselves in certain operations, and are able to

take protective measures to minimize the hazards on themselves and other people

● Operators: operation personnel who may come in contact with the equipment,

except trained personnel and professionals

1.3 Electrical Safety

Grounding

● For the equipment that needs to be grounded, install the ground cable rst

when installing the equipment and remove the ground cable last when

removing the equipment.

● Do not damage the ground conductor.

● Do not operate the equipment in the absence of a properly installed ground

conductor.

● Ensure that the equipment is connected permanently to the protective

ground. Before operating the equipment, check its electrical connection to

ensure that it is securely grounded.

General Requirements

D ANGER

Before connecting cables, ensure that the equipment is intact. Otherwise, electric

shocks or re may occur.

● Ensure that all electrical connections comply with local electrical standards.

● Obtain approval from the local electric utility company before using the

equipment in grid-tied mode.

● Ensure that the cables you prepared meet local regulations.

● Use dedicated insulated tools when performing high-voltage operations.

AC and DC Power

D ANGER

Do not connect or disconnect power cables with power on. Transient contact

between the core of the power cable and the conductor will generate electric arcs

or sparks, which may cause re or personal injury.

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual 1 Safety Information

● Before making electrical connections, switch o the disconnector on the

upstream device to cut o the power supply if people may contact energized

components.

● Before connecting a power cable, check that the label on the power cable is

correct.

● If the equipment has multiple inputs, disconnect all the inputs before

operating the equipment.

Cabling

● When routing cables, ensure that a distance of at least 30 mm exists between

the cables and heat-generating components or areas. This prevents damage

to the insulation layer of the cables.

● Bind cables of the same type together. When routing cables of dierent types,

ensure that they are at least 30 mm away from each other.

● Ensure that the cables used in a grid-tied PV power system are properly

connected and insulated and meet specications.

1.4 Installation Environment Requirements

● Ensure that the equipment is installed in a well ventilated environment.

● To prevent re due to high temperature, ensure that the ventilation vents or

heat dissipation system are not blocked when the equipment is running.

● Do not expose the equipment to ammable or explosive gas or smoke. Do

not perform any operation on the equipment in such environments.

1.5 Mechanical Safety

Using Ladders

● Use wooden or berglass ladders when you need to perform live working at

heights.

● When a step ladder is used, ensure that the pull ropes are secured and the

ladder is held rm.

● Before using a ladder, check that it is intact and conrm its load bearing

capacity. Do not overload it.

● Ensure that the wider end of the ladder is at the bottom, or protective

measures have been taken at the bottom to prevent the ladder from sliding.

● Ensure that the ladder is securely positioned. The recommended angle for a

ladder against the oor is 75 degrees, as shown in the following gure. An

angle rule can be used to measure the angle.

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual 1 Safety Information

● When climbing a ladder, take the following precautions to reduce risks and

ensure safety:

– Keep your body steady.

– Do not climb higher than the fourth rung of the ladder from the top.

– Ensure that your body's center of gravity does not shift outside the legs

of the ladder.

Drilling Holes

When drilling holes into a wall or oor, observe the following safety precautions:

● Wear goggles and protective gloves when drilling holes.

● When drilling holes, protect the equipment from shavings. After drilling, clean

up any shavings that have accumulated inside or outside the equipment.

Moving Heavy Objects

● Be cautious to avoid injury when moving heavy objects.

● When moving the equipment by hand, wear protective gloves to prevent

injuries.

1.6 Commissioning

When the equipment is powered on for the rst time, ensure that professional

personnel set parameters correctly. Incorrect settings may result in inconsistency

with local certication and aect the normal operation of the equipment.

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual 1 Safety Information

1.7 Maintenance and Replacement

D ANGER

High voltage generated by the equipment during operation may cause an electric

shock, which could result in death, serious injury, or serious property damage.

Prior to maintenance, power o the equipment and strictly comply with the safety

precautions in this document and relevant documents.

● Maintain the equipment with sucient knowledge of this document and

using proper tools and testing equipment.

● Before maintaining the equipment, power it o and follow the instructions on

the delayed discharge label to ensure that the equipment is powered o.

● Place temporary warning signs or erect fences to prevent unauthorized access

to the maintenance site.

● If the equipment is faulty, contact your dealer.

● The equipment can be powered on only after all faults are rectied. Failing to

do so may escalate faults or damage the equipment.

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual 1 Safety Information

2 Overview

2.1 Product Overview

Function

The SUN2000 inverter is a three-phase grid-tied PV string inverter that converts

the DC power generated by PV strings into AC power and feeds the power into the

power grid.

Model

This document involves the following product models:

● SUN2000-175KTL-H0

● SUN2000-185KTL-INH0

● SUN2000-185KTL-H1

Figure 2-1 Model description (SUN2000-185KTL-INH0 is used as an example)

Table 2-1 Model description

Tag Meaning Value

1 Series SUN2000: three-phase grid-tied PV

string inverter

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual 2 Overview

Tag Meaning Value

2 Power class ● 175K: The rated output power is

175 kW.

● 185K: The maximum active

power is 185 kW.

3 Topology TL: transformerless

4 Region IN: India

5 Product code H0/H1: product series with the

1500 V DC input voltage

NO TE

The SUN2000-175KTL-H0 is applicable only to the Chinese mainland. For other countries or

regions, Huawei does not provide quality assurance.

Network Application

The inverter applies to grid-tied PV systems for commercial rooftop PV plants and

large PV plants. Typically, a grid-tied PV system consists of the PV string, inverter,

AC power distribution unit, and step-up transformer.

Figure 2-2 Network application

(A) PV string (B) Inverter (C) AC distribution unit (ACDU)

(D) Step-up transformer (E) Power grid

NO TE

The SUN2000 is powered by a dedicated power transformer instead of connecting to low

voltage overhead power lines.

Supported Power Grid

The inverter supports the IT power grid.

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual 2 Overview

Figure 2-3 Supported power grid

NO TE

The SUN2000 can also apply to the AC power system with the neutral point grounding of

the step-up transformer. The SUN2000 itself does not connect to any neutral wire.

Figure 2-4 AC power system with the neutral point grounding

2.2 Appearance

Dimensions

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual 2 Overview

Front View

(1) PV connection

indicator

(2) Grid-tied indicator (3) Communication

indicator

(4) Alarm/Maintenance

indicator

(5) Host panel (6) Maintenance

compartment

Table 2-2 LED description

Display

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